summaryrefslogtreecommitdiff
path: root/usr/src/man/man7d
diff options
context:
space:
mode:
authorRobert Mustacchi <rm@fingolfin.org>2020-09-26 11:16:12 -0700
committerRobert Mustacchi <rm@fingolfin.org>2020-11-02 08:22:45 -0800
commite9abe9d6424a9213df11b3243f6957e6a0b91e48 (patch)
tree4f97701ec4db98975b0b1955643bef6379cd3eb5 /usr/src/man/man7d
parent5edbd2fec7b63b423df5bd21c4b0f7b775123a40 (diff)
downloadillumos-gate-e9abe9d6424a9213df11b3243f6957e6a0b91e48.tar.gz
13235 amdzen(7D) support for Zen 3
Reviewed by: C Fraire <cfraire@me.com> Reviewed by: Patrick Mooney <pmooney@pfmooney.com> Approved by: Dan McDonald <danmcd@joyent.com>
Diffstat (limited to 'usr/src/man/man7d')
-rw-r--r--usr/src/man/man7d/amdzen.7d46
1 files changed, 38 insertions, 8 deletions
diff --git a/usr/src/man/man7d/amdzen.7d b/usr/src/man/man7d/amdzen.7d
index 171d36b0d6..7c24b7106a 100644
--- a/usr/src/man/man7d/amdzen.7d
+++ b/usr/src/man/man7d/amdzen.7d
@@ -11,7 +11,7 @@
.\"
.\" Copyright 2020 Oxide Computer Company
.\"
-.Dd September 1, 2020
+.Dd September 26, 2020
.Dt AMDZEN 7D
.Os
.Sh NAME
@@ -20,13 +20,29 @@
.Nd AMD Zen Nexus Driver
.Sh DESCRIPTION
The
-.Sy amdzen
-driver provides access to the AMD Zen, Zen+, and Zen 2
+.Nm
+driver provides access to the Northbridge, Data Fabric, and System
+Management Network
+.Pq SMN
+for a number of AMD processor lines, including AMD Ryzen CPUs and APUs,
+ThreadRipper CPUs, and EPYC CPUs from the following families:
+.Bl -bullet
+.It
+AMD Zen Naples, Summit Ridge, Whitehaven
+.Pq Family 17h
+.It
+AMD Zen+ Colfax, Picasso, and Pinnacle Ridge
.Pq Family 17h
-processor families Northbridge, Data Fabric, and System Management Network
-.Pq SMN .
-This driver is a nexus driver and facilitates access to these devices
-between various other devices such as
+.It
+AMD Zen 2 Castle Peak, Matisse, Rome, and Renoir
+.Pq Family 17h
+.It
+AMD Zen 3 Milan and Vermeer
+.Pq Family 19h
+.El
+.Pp
+This driver is a nexus driver and facilitates access to the northbridge,
+data fabric, and SMN between various other devices such as
.Xr smntemp 7D .
The various processor devices that make up the northbridge and data
fabric have the
@@ -36,6 +52,20 @@ The different devices are all amalgamated and a single uniform view is
provided by the
.Sy amdzen
driver.
+.Pp
+The
+.Nm
+driver is a nexus driver that has the following children:
+.Bl -tag -width "smntemp(7D)"
+.It Xr smntemp 7D
+Provides access to on-die temperature sensors.
+.It Xr usmn 7D
+Provides read access to the SMN.
+This driver is intended for development purposes.
+.It Xr zen_udf 7D
+Provides read access to the data fabric.
+This driver is intended for development purposes.
+.El
.Sh ARCHITECTURE
The
.Sy amdzen
@@ -43,7 +73,7 @@ and
.Sy amdzen_stub
drivers are limited to
.Sy x86
-platforms with AMD Family 17h processors.
+platforms with AMD Family 17h and 19h processors.
.Sh SEE ALSO
.Xr smntemp 7D ,
.Xr usmn 7D ,